Home / 471,551,164.30-707,326,746.45-213,270,838.30

Finding the Fourth Proportional to 471,551,164.30, 707,326,746.45 and 213,270,838.30

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Solution

The fourth proportional to 471,551,164.30, 707,326,746.45 and 213,270,838.30 is: 319,906,257.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,551,164.30 : 707,326,746.45 = 213,270,838.30 : x
  2. Step 2: Convert to fraction form
    471,551,164.30/707,326,746.45 = 213,270,838.30/x
  3. Step 3: Cross multiply
    471,551,164.30x = 707,326,746.45 × 213,270,838.30
  4. Step 4: Simplify right side
    471,551,164.30x = 150,852,168,167,403,072
  5. Step 5: Solve for x
    x = 150,852,168,167,403,072/471,551,164.30
  6. Step 6: Final answer
    x = 319,906,257.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.